whats the best practices in relaying in exchange 2007 and 2010 how do i verify relay is working

Relaying configuration depends on your company mail routing environment. factors to be consider. 1. authenticated or non authentication 2. Internet relay or external relay 3. Relay through anyther smarthost or directly relay through exachange, Check out these posts. http://social.technet.microsoft.com/Forums/en-US/exchangesvradmin/thread/ff64bdf0-400b-449f-aee6-89734cda5dde http://social.technet.microsoft.com/Forums/en-US/exchange2010/thread/c104f50a-3c9e-448f-852c-754e7491aac3/ http://social.technet.microsoft.com/Forums/en-US/exchangesvradmin/thread/ff64bdf0-400b-449f-aee6-89734cda5dde http://social.technet.microsoft.com/forums/en-us/exchange2010/thread/0F7F6C10-4735-4B3D-8027-3C3A06AEE433 http://social.technet.microsoft.com/Forums/en-US/exchange2010/thread/0ceaa91f-589f-4fb2-9a96-9c4e717376aa/ http://social.technet.microsoft.com/Forums/en-US/exchangesvrtransport/thread/debdfbde-2299-4dd3-bf4b-7eb9f646ae2f http://social.technet.microsoft.com/Forums/en/exchangesvrtransport/thread/416ed3e3-a346-4794-ba2a-c53086f704b0 Satish Mekala

Relaying configuration depends on your company mail routing environment. factors to be consider. 1. authenticated or non authentication 2. Internal relay or external relay 3. Relay through anyther smarthost or directly relay through exachange, Check out these posts. http://social.technet.microsoft.com/Forums/en-US/exchangesvradmin/thread/ff64bdf0-400b-449f-aee6-89734cda5dde http://social.technet.microsoft.com/Forums/en-US/exchange2010/thread/c104f50a-3c9e-448f-852c-754e7491aac3/ http://social.technet.microsoft.com/Forums/en-US/exchangesvradmin/thread/ff64bdf0-400b-449f-aee6-89734cda5dde http://social.technet.microsoft.com/forums/en-us/exchange2010/thread/0F7F6C10-4735-4B3D-8027-3C3A06AEE433 http://social.technet.microsoft.com/Forums/en-US/exchange2010/thread/0ceaa91f-589f-4fb2-9a96-9c4e717376aa/ http://social.technet.microsoft.com/Forums/en-US/exchangesvrtransport/thread/debdfbde-2299-4dd3-bf4b-7eb9f646ae2f http://social.technet.microsoft.com/Forums/en/exchangesvrtransport/thread/416ed3e3-a346-4794-ba2a-c53086f704b0 Satish Mekala

Hi, Relay is the ability to forward mails to external domains. So the best practice is that you can forward emails to other domains. For more information, you can refer to the article ‘How To Allow Relaying in Exchange 2010 and Exchange 2007’. Hope this helps. ThanksPlease remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.